diff --git a/1-js/02-first-steps/13-switch/article.md b/1-js/02-first-steps/13-switch/article.md
index ae114923..908570dd 100644
--- a/1-js/02-first-steps/13-switch/article.md
+++ b/1-js/02-first-steps/13-switch/article.md
@@ -148,7 +148,7 @@ Let's emphasize that the equality check is always strict. The values must be of
 For example, let's consider the code:
 
 ```js run
-let arg = prompt("Enter a value?")
+let arg = prompt("Enter a value?");
 switch (arg) {
   case '0':
   case '1':